CCI-IP250. 250ul Insert with mandrel interior and polymer feet, 29*5.7mm; suits for ND9 Vials. 100. CCI-I300. 300ul Micro-Insert,31*6mm,clear glass,flat bottom; suits for ND9 Vials. 100. CCI-VP91. 0.3ml PP Short Screw-Thread Micro-Vial, clear 11.6*32mm. 100.